B&M Steel SFI Certified Flexplate - GM LS Engines - 20340
SKU: 18859148927

B&M Steel SFI Certified Flexplate - GM LS Engines - 20340

Sale price$170.06 Regular price$188.95
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Description

B&M Steel SFI Certified Flexplate - GM LS Engines - 20340Overview: As performance levels increase, an O. E. style flexplate just won't cut it and a stronger option is a necessity to prevent transmission and or converter failure. B&M has you covered with our high performance flexplate designed for GM 1998 up 4. 8L, 5. 3L, 5. 7L & 6. 0L LS engines with 6 bolt crankshaft flange, including 2010 15 Camaro with L99 engine. Features include high tensile strength steel construction to resist elongation and

Overview:

As performance levels increase, an O.E. style flexplate just won't cut it and a stronger option is a necessity to prevent transmission and/or converter failure. B&M has you covered with our high performance flexplate designed for GM 1998-up 4.8L, 5.3L, 5.7L & 6.0L LS engines with 6-bolt crankshaft flange, including 2010-15 Camaro with L99 engine. Features include high tensile strength steel construction to resist elongation and cracking, 10.75 and 11.06-inch converter mounting locations, 168 tooth ring gear with double-sided welds for added strength and comes with SFI 29.1 safety certification insuring the ultimate in safety and performance. The assembly is finished with a Zinc plating and Chromate Conversion Coating for added corrosion resistance and durability. B&M SFI approved flexplates are ideal for extreme duty race applications as well as street cars, tow vehicles or other vehicles needing the added protection and toughness that B&M has been delivering since 1953. Note: Will not fit 1999-00 6.0L applications with 0.400 inch extended crank flange/flat flexplate or 1999-00 4.8L engines that originally came with a manual transmission. A flexplate spacer is required for retrofitting Non LS era transmissions to LS engines.

Features:

  • 10.75, 11.06 Inch Bolt Pattern Convertor Mount
  • Includes SFI 29.1 Certification Sticker
  • Zinc Plated Chromate Finish
  • 168 Tooth Ring Gear
  • B&M Quality

Application:

Year Make Model Submodel Engine Size
2003 Chevrolet Corvette 50th Anniversary Edition Pace Car
2001 - 2004 Chevrolet Corvette Base
2003 Chevrolet Corvette 50th Anniversary Edition
2005 - 2008 Pontiac Grand Prix GXP 325/5.3 V8
2006 - 2009 Chevrolet Impala SS 325/5.3 V8
2006 - 2007 Chevrolet Monte Carlo SS 325/5.3 V8
1997 - 2000 Chevrolet Corvette 350/5.7 V8
1997 - 2002 Pontiac Firebird Formula 350/5.7 V8
1997 - 2002 Pontiac Firebird Trans Am 350/5.7 V8
2004 Pontiac GTO 350/5.7 V8
1998 - 2002 Chevrolet Camaro Z28 350/5.7 V8
1998 - 2002 Chevrolet Camaro Z28 SS 350/5.7 V8
2005 - 2006 Pontiac GTO 364/6 V8
2006 - 2007 Chevrolet Corvette Base 364/6 V8
2008 - 2009 Pontiac G8 GT 364/6 V8
2008 - 2012 Chevrolet Corvette Base 376/6.2 V8
2009 Pontiac G8 GXP 376/6.2 V8
2010 - 2012 Chevrolet Camaro SS 376/6.2 V8
2010 - 2012 Chevrolet Corvette Grand Sport 376/6.2 V8
2012 Chevrolet Camaro ZL1 376/6.2 V8

Specs:

# of Teeth 168
Brand B&M
California Proposition 65 Chemical Name Cadmium and cadmium compounds
California Proposition 65 Required Yes
Crankshift Bolt Hole Count 6
Dual Pattern Yes
Emission Code 5
IHRA Legal Yes
NHRA Legal Yes
Outside Diameter (in) 14.13
Product Type Automatic Transmission Flexplate
SFI Approved Yes
SFI Certification 29.1
SFI Certification Sticker Included
Warning California Proposition 65
Weight (lb) 6

FEATURES

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Exchange/Return Notes
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  • Final sale items are not eligible for returns or exchanges.
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SKU: 18859148927

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S. Kirby
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★★★★★ 4
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Color: Grey, Color: Grey
This partition was easy to assemble and is stable. My husband and I both work from home, and the desire was to have a sound barrier. It definitely dampens the noise. If it was another foot taller, that would be even better at dampening the noise. Obviously, we still hear one another quite well, but the partition simply softens the noise of each other.
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Reviewed in the United States on March 30, 2026
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Thanh Lam
Port Orchard, US
★★★★★ 5
CEO
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Work perfect
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Reviewed in the United States on April 3, 2026
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K
Houston, US
★★★★★ 5
Easy Install, Great Quality, Mobile Partition
Color: Grey
This is the easiest install I've ever had in my life, took about 5 minutes. These panels come pre-assembled, minus the wheels, which screw into the base pieces in pairs. The material is a very pleasant "corporate grey" - I only worry about its color fastness over time. I needed a practical solution for my garage, which has glass garage doors that let in a ton of sun/heat and even with privacy film still parade around my tools and belongings visibly to anyone walking by. These partitions are functional for both of my needs, and if I have a visitor needing to park in my second spot it takes 5 seconds to wheel these out of the way.
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Reviewed in the United States on March 15, 2026
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Amazon customer
Battle Creek, US
★★★★★ 5
Nice, convenient partition that absorbs sound
Color: Grey, Color: Grey
What stood out * Instant partition: This 3-panel foldable office partition helps to create quiet zones in a shared room, and it genuinely helped carve out a more focused space without a major renovation. The panels feel substantial yet easy to move thanks to the wheels, so I can roll them into position when I need privacy or a professional background for video meetings. I can fold them flat against a wall when I don’t nee them. The aluminum frame gives it enough rigidity to stay upright, and the gray finish is neutral. The height and width are generous for desktop setups, meetings, or study areas, and because it’s modular you can arrange it in L-shapes, straight lines, or even semi-circles. The mobility makes it flexible for dynamic spaces — roll it out for working hours, tuck it away after. * Sound insulation: It's heavy, which is better for sound isolation. The sound-dampening design isn’t miracle acoustic treatment, but it noticeably softens background chatter and echoes — enough to make video calls and focused work feel less disrupted. * Assembly is super easy, but I would recommend to have two people to make it easier. What to keep in mind * It’s not sound-proof like a built-in wall, so loud noises still carry; it’s best for softening ambient sounds, not blocking them completely. * The gray color is neutral, but if your room palette is bold you might want to accent with décor so it doesn’t look utilitarian. You can also tack posters and light pictures to the the gray frames. * It's pricey, but worth it in my opinion.
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Off The Grid Ken
San Leandro, US
★★★★★ 4
Decent dividers
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I think you will love these under the right circumstances. Number one the sound absorption is hard to describe because since the panels don't go to the roof sound can easily travel to the other so you and without being hindering but they do absorb sound to a certain extent. They also provide pretty good coverage for privacy in an office or dorm situation with ease. I wouldn't say it's easy to store but it does fold up pretty well and overall for the price it's an effective means of letting those around you know you need some peace. For the price it's a pretty good divider. It requires very little assembly and is relatively sturdy so all in all not a bad option. Until We Meet Again -Off The Grid Ken
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